Which of the Following Is NOT True About the East

Multiple Choice

Which of the following is NOT true about the East African baboon-like Theropithecus?

A) Dietary niche was almost exclusively grasses.
B) It contained some notable fossil specimens, like a 225-pound monkey.
C) It is the only extant (still living) species is the Gelada.
D) Most of its members went extinct at some point during the middle Ordovician.
E) Competition with Papio baboons was a probable cause for extinction.